let fly with (something)

let fly with (something)

1. To throw something very quickly and suddenly. I had just given an admittedly snide retort when he let fly with a punch to my head! The audience began letting fly with all manner of garbage and refuse as they booed the unfortunate singer off the stage.
2. To give a very quick or sudden response, especially some critical or sarcastic remark. The student let fly with a comment about the teacher's wife, which landed him straight in the principal's office. The comedian, known for her sharp, merciless wit, let fly with a torrent of off-the-cuff jabs at the host of the show.
See also: fly, let

let fly with something

Fig. to throw or thrust something, such as a rock, ball, punch, etc. The pitcher wound up and let fly with a strike—right over the plate. Max let fly with a blow to Lefty's chin.
See also: fly, let